国家国际科技合作专项2014DFA31420;贵阳市科技计划项目”20141001”46号;中国博士后科学基金2013M531983;International Science&Technology Cooperation Program of China2014DFA31420;Guiyang city science and technology plan projects”20141001” NO.46;Chinese Postdoctoral Science Foundation2013M531983